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Using A2Ls in Commercial Refrigeration Equipment

Posted: Friday, December 6, 2024
Technicians must be trained to handle A2L refrigerants safely, using proper equipment, following safety guidelines, and understanding risks to prevent injuries.

Locating Hard-to-Find Refrigerant Leaks

Posted: Friday, December 6, 2024
Perseverance is generally your best tool when trying to find a refrigerant leak.

HVAC Airflow Troubleshooting and the Top Tests and Tools to Help

Posted: Saturday, November 30, 2024

Airflow diagnostics made simple—discover how to ensure peak performance in HVAC systems.

Meeting Homeowners’ Expected Lead Times

Posted: Tuesday, November 26, 2024
59% of homeowners expect their new HVAC equipment to be installed within 2-3 weeks of the quote.

Using Data Recording as a Troubleshooting Aid

Posted: Wednesday, November 13, 2024

Data recording can help less experienced technicians troubleshoot refrigeration systems. Quickly and accurately determining the cause of a system problem is beneficial to both the equipment owner and the servicing contractor, and  experience can be a major factor in a technician's ability to troubleshoot systems with greater precision. 

Few Homeowners are Aware of HVAC Incentives, Survey Shows

Posted: Tuesday, November 12, 2024
Low public awareness of incentives that can subsidize residential HVAC purchases means contractors have the opportunity to educate and position themselves as trusted advisors, marketing experts say.

When Consumers Opt to Repair v. Replace

Posted: Monday, November 11, 2024
Homeowners likely won’t choose to replace unless it’s cheaper than the repair.

How To Clean the Ducts in a Home With Asbestos

Posted: Monday, November 4, 2024
Old homes and old HVAC systems bring the potential for asbestos — here’s what HVAC contractors and duct cleaning professionals need to know if they run into it on a jobsite.

New Study Shows Homeowner ‘Repair Or Replace?’ Tipping Point

Posted: Tuesday, October 29, 2024
People are still pinching pennies and choosing repairs, but there are ways for contractors to sell new equipment, even when it’s more expensive.

Don’t Overlook Cleaning the Evaporator Coil 

Posted: Friday, October 18, 2024

Cleaning evaporator coils in a walk-in cooler can be challenging, but it needs to be done in order to keep the system operating efficiently.  

Should You Clean the Ducts of a Home with Asbestos?

Posted: Thursday, October 17, 2024
Trained to identify the varying types of asbestos used in old buildings, Matt Mountain of Mountain Duct Cleaning knows what he’s looking for.

Understanding Voltage, Current, and Resistance

Posted: Thursday, September 12, 2024
Technicians need to understand the basic electrical fundamentals and how they relate to each other in order to better troubleshoot electrical failures.

The Importance of Clean Oil in a Vacuum Pump

Posted: Sunday, September 8, 2024

When choosing a vacuum pump, its pays to find a unit that makes oil changes convenient.

Three Tips for Your Next System Evacuation

Posted: Thursday, September 5, 2024

Ensuring a vacuum pump system is evacuated and free of air, nitrogen, moisture, and other contaminants is a crucial step to keep the system running optimally.   

Temporary Fixes Can Jumpstart a Refrigeration System

Posted: Thursday, August 22, 2024
Timely refrigeration repairs are crucial to avoid product loss; temporary fixes can sometimes keep systems running until parts arrive.

10 Things to Know Before Your First Mini-Split Call

Posted: Wednesday, August 21, 2024
The first time a technician has to tackle a ductless mini-split can be nerve-racking, but by following these 10 tips, the job can be done without all the anxiety.

Common Combustion Testing Errors to Avoid This Fall

Posted: Wednesday, August 14, 2024
Just because an HVAC technician installs a system according to current codes and standards, it doesn’t always mean it’s safe.

A Capital Cost and Energy Saving Approach to Chilled Water HVAC with Zero Emissions Potential

Posted: Friday, August 9, 2024
The proposed new approach to chilled water HVAC systems promises to provide significant capital cost savings, energy cost savings, and a path to eliminate CO2 emissions.

Better than Bubbles: The Ins & Outs of Electronic Leak Detectors

Posted: Monday, July 29, 2024
Soap bubbles have long been thought of as the standard method for leak detection, but times, and technology, are changing.

The Delivery of a New HVAC System

Posted: Thursday, July 25, 2024
The medical profession and the HVAC industry have a lot of parallels when it comes to learning how to work together as a team.

Why More HVAC Contractors Should Offer Duct Cleaning Services

Posted: Wednesday, July 24, 2024
Over time, dirt, dust, pet dander, debris, and more accumulate in air ducts. And since the HVAC system works basically as a whole-home vacuum, all of that is recirculated through homes when the HVAC system runs, unless the ducts are cleaned out.

Refrigerant Management Strategies Are Urgently Needed

Posted: Tuesday, July 16, 2024
Contractors need to implement a refrigerant management strategy that accommodates both legacy and A2L systems, as well as emphasizes recovery and reclamation.

Troubleshooting PSC Fan Motors

Posted: Monday, July 15, 2024
Troubleshooting PSC fan motors is a common task for service technicians, and failures tend to be either electrical or mechanical.

A Little TLC Can Extend the Life of Condensing Units

Posted: Monday, July 15, 2024
In today's economy, cost-conscious end users want to extend their HVAC equipment lifespan as long as possible. Regular maintenance on condensing units can help maximize their longevity and performance.

How a Fan Center Works

Posted: Saturday, July 13, 2024
For technicians who run across older furnaces where air conditioners were later added, it pays to know how a fan center operates.

HVAC Q&A Episode 1: Common Heat Pump Installation Mistakes

Posted: Friday, July 12, 2024
What are the most common mistakes in heat pump installs, and how do you avoid them? Here’s what experts had to say about heat pump installation — a must-watch as electrification continues to gain momentum.

When Troubleshooting a Refrigeration System, Don’t Make Assumptions

Posted: Thursday, June 27, 2024
Troubleshooting refrigeration systems can be complex and frustrating, so put aside any assumptions and inspect the system thoroughly before making any diagnosis.

Advice for the First A2L Installation

Posted: Tuesday, June 25, 2024
With the impending deadline right around the corner, manufacturers have started introducing their A2L systems in the U.S.

Expert Advice on Navigating that First A2L Installation

Posted: Monday, June 10, 2024
Manufacturers are starting to introduce their A2L systems in the U.S., so contractors and technicians must learn how to service and install this new equipment.

Basic Steps For HVAC Coil Cleaning

Posted: Friday, June 7, 2024
Cleaning coils is a fairly simple task, but one that plays an important role in keeping a unit running strong.
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S&E Cataldi Heating & Air Conditioning
33 English Range Road
Derry, NH, 03038